modiloader | 8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe

General

Target

8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
Size

143KB
MD5

e11343a9b281ace8c2744a2b4c66f5f9
SHA1

d63ceab2ec13190e2ab98fd8bb318f26124433eb
SHA256

8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe
SHA512

1a959857e59a2c8b657c04185f66723c03b584ff6d899b836926ff7d51ad3fea3218d738316a6ac220fffb33321fb0b62f0d993b0e923ce6d213698a1f3954f2
SSDEEP

3072:zFxncXtkPnLgrzg7+L9MIQI+bxKxpbpM1JHx9Ov5KvlpcLeI:vcXtkvMpfQI+bxKfu1JHmv5KvMX

Score

10^/10

modiloader evasion persistence trojan upx

Malware Config

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader

UAC bypass 3 TTPs 1 IoCs

evasion trojan

Bypass User Account Control

T1088

Disabling Security Tools

T1089

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

ModiLoader Second Stage 6 IoCs

resource	yara_rule
behavioral1/memory/1108-71-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1108-72-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/1108-75-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/440-93-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/440-95-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2
behavioral1/memory/440-96-0x0000000000400000-0x0000000000450000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

pid	Process
1400	mstwain32.exe
440	mstwain32.exe

UPX packed file 12 IoCs

Detects executables packed with UPX/modified UPX open source packer.

upx

resource	yara_rule
behavioral1/memory/1108-58-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1108-61-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1108-63-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1108-69-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1108-70-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1108-71-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1108-72-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/1108-75-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/440-92-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/440-93-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/440-95-0x0000000000400000-0x0000000000450000-memory.dmp	upx
behavioral1/memory/440-96-0x0000000000400000-0x0000000000450000-memory.dmp	upx

Adds Run key to start application 2 TTPs 2 IoCs

persistence

Registry Run Keys / Startup Folder

T1060

Modify Registry

T1112

description	ioc	Process
Key created	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\SOFTWARE\Microsoft\Windows\CurrentVersion\Run\	mstwain32.exe
Set value (str)	\REGISTRY\USER\S-1-5-21-3845472200-3839195424-595303356-1000\Software\Microsoft\Windows\CurrentVersion\Run\mstwain32 = "C:\\Windows\\mstwain32.exe"	mstwain32.exe

Checks whether UAC is enabled 1 TTPs 3 IoCs

evasion trojan

System Information Discovery

T1082

description	ioc	Process
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
Key value queried	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA	mstwain32.exe
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

Suspicious use of SetThreadContext 2 IoCs

description	pid	Process	procid_target
PID 1348 set thread context of 1108	1348	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	27
PID 1400 set thread context of 440	1400	mstwain32.exe	32

Drops file in Windows directory 5 IoCs

description	ioc	Process
File created	C:\Windows\mstwain32.exe	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
File opened for modification	C:\Windows\mstwain32.exe	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
File opened for modification	C:\Windows\mstwain32.exe	mstwain32.exe
File created	C:\Windows\ntdtcstp.dll	mstwain32.exe
File created	C:\Windows\cmsetac.dll	mstwain32.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s). Likely ransomware behaviour.

System Information Discovery
T1082

Suspicious use of AdjustPrivilegeToken 6 IoCs

description	pid	Process
Token: SeDebugPrivilege	1108	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
Token: SeBackupPrivilege	576	vssvc.exe
Token: SeRestorePrivilege	576	vssvc.exe
Token: SeAuditPrivilege	576	vssvc.exe
Token: SeDebugPrivilege	440	mstwain32.exe
Token: SeDebugPrivilege	440	mstwain32.exe

Suspicious use of SetWindowsHookEx 4 IoCs

pid	Process
1348	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
1400	mstwain32.exe
440	mstwain32.exe
440	mstwain32.exe

Suspicious use of WriteProcessMemory 20 IoCs

description	pid	Process	procid_target
PID 1348 wrote to memory of 1108	1348	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	27
PID 1348 wrote to memory of 1108	1348	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	27
PID 1348 wrote to memory of 1108	1348	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	27
PID 1348 wrote to memory of 1108	1348	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	27
PID 1348 wrote to memory of 1108	1348	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	27
PID 1348 wrote to memory of 1108	1348	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	27
PID 1348 wrote to memory of 1108	1348	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	27
PID 1348 wrote to memory of 1108	1348	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	27
PID 1108 wrote to memory of 1400	1108	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	31
PID 1108 wrote to memory of 1400	1108	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	31
PID 1108 wrote to memory of 1400	1108	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	31
PID 1108 wrote to memory of 1400	1108	8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe	31
PID 1400 wrote to memory of 440	1400	mstwain32.exe	32
PID 1400 wrote to memory of 440	1400	mstwain32.exe	32
PID 1400 wrote to memory of 440	1400	mstwain32.exe	32
PID 1400 wrote to memory of 440	1400	mstwain32.exe	32
PID 1400 wrote to memory of 440	1400	mstwain32.exe	32
PID 1400 wrote to memory of 440	1400	mstwain32.exe	32
PID 1400 wrote to memory of 440	1400	mstwain32.exe	32
PID 1400 wrote to memory of 440	1400	mstwain32.exe	32

System policy modification 1 TTPs 1 IoCs

evasion

Modify Registry

T1112

description	ioc	Process
Set value (int)	\REGISTRY\MACHINE\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\System\EnableLUA = "0"	mstwain32.exe

C:\Users\Admin\AppData\Local\Temp\8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
"C:\Users\Admin\AppData\Local\Temp\8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe"
1⤵
- Suspicious use of SetThreadContext
- Suspicious use of SetWindowsHookEx
- Suspicious use of WriteProcessMemory
PID:1348
- C:\Users\Admin\AppData\Local\Temp\8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
  C:\Users\Admin\AppData\Local\Temp\8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe
  2⤵
  - Checks whether UAC is enabled
  - Drops file in Windows directory
  - Suspicious use of AdjustPrivilegeToken
  - Suspicious use of WriteProcessMemory
  PID:1108
- - C:\Windows\mstwain32.exe
    "C:\Windows\mstwain32.exe" \melt "C:\Users\Admin\AppData\Local\Temp\8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe.exe"
    3⤵
    - Executes dropped EXE
    - Suspicious use of SetThreadContext
    - Drops file in Windows directory
    - Suspicious use of SetWindowsHookEx
    - Suspicious use of WriteProcessMemory
    PID:1400
  - - C:\Windows\mstwain32.exe
      C:\Windows\mstwain32.exe
      4⤵
      UAC bypass
      Executes dropped EXE
      Adds Run key to start application
      Checks whether UAC is enabled
      Drops file in Windows directory
      Suspicious use of AdjustPrivilegeToken
      Suspicious use of SetWindowsHookEx
      System policy modification
      PID:440

C:\Windows\system32\vssvc.exe
C:\Windows\system32\vssvc.exe
1⤵
- Suspicious use of AdjustPrivilegeToken
PID:576

Network

MITRE ATT&CK Enterprise v6

Initial Access

Execution

Persistence

Registry Run Keys / Startup Folder

1

T1060

Privilege Escalation

Bypass User Account Control

1

T1088

Defense Evasion

Bypass User Account Control

1

T1088

Disabling Security Tools

Modify Registry

Credential Access

Discovery

System Information Discovery

2

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

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Downloads

C:\Windows\mstwain32.exe

Filesize
143KB

MD5
e11343a9b281ace8c2744a2b4c66f5f9

SHA1
d63ceab2ec13190e2ab98fd8bb318f26124433eb

SHA256
8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe

SHA512
1a959857e59a2c8b657c04185f66723c03b584ff6d899b836926ff7d51ad3fea3218d738316a6ac220fffb33321fb0b62f0d993b0e923ce6d213698a1f3954f2

Download Submit
C:\Windows\mstwain32.exe

Filesize
143KB

MD5
e11343a9b281ace8c2744a2b4c66f5f9

SHA1
d63ceab2ec13190e2ab98fd8bb318f26124433eb

SHA256
8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe

SHA512
1a959857e59a2c8b657c04185f66723c03b584ff6d899b836926ff7d51ad3fea3218d738316a6ac220fffb33321fb0b62f0d993b0e923ce6d213698a1f3954f2

Download Submit
C:\Windows\mstwain32.exe

Filesize
143KB

MD5
e11343a9b281ace8c2744a2b4c66f5f9

SHA1
d63ceab2ec13190e2ab98fd8bb318f26124433eb

SHA256
8941512f2647d021142b470c79d8cbdac927fc6c9d93c57bcf8f5a96d271acfe

SHA512
1a959857e59a2c8b657c04185f66723c03b584ff6d899b836926ff7d51ad3fea3218d738316a6ac220fffb33321fb0b62f0d993b0e923ce6d213698a1f3954f2

Download Submit
memory/440-95-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/440-92-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/440-94-0x0000000000790000-0x000000000079E000-memory.dmp

Filesize
56KB

Download
memory/440-93-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/440-96-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1108-71-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1108-72-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1108-70-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1108-69-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1108-75-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1108-68-0x0000000075071000-0x0000000075073000-memory.dmp

Filesize
8KB

Download
memory/1108-63-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1108-61-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1108-58-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1108-57-0x0000000000400000-0x0000000000450000-memory.dmp

Filesize
320KB

Download
memory/1348-67-0x0000000000400000-0x0000000000409001-memory.dmp

Filesize
36KB

Download
memory/1348-56-0x0000000000400000-0x0000000000409001-memory.dmp

Filesize
36KB

Download
memory/1400-90-0x0000000000400000-0x0000000000409001-memory.dmp

Filesize
36KB

Download

Analysis

Sharing

General

Malware Config

Signatures

Processes

Network

MITRE ATT&CK Enterprise v6

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Downloads